About This Station
The main instruments are sited over short cut grass within Valentine city limits NE side (2,578') elevation. image. The forecast is provided by North Platte NWS forecast office (specifically for Valentine) not regional. This station is powered by a Vantage Pro2 weather station with modifications, the auto rain gauge is 8" heated stand-alone tipping bucket, with a manual 8" SRG used as the primary, the temp/humidity sensor air intake is located 5.5' above ground and aspirated with a more powerful AC fan for minimal error. Currently a dual sensor setup for redundancy. In a side-by-side test against aspirated RM Young shield, there is a similar performance using this double-walled modified Davis shield when combined with the higher powered AC fan. Anemometer is roof mast-mounted 26' with excellent exposure NW through SW lesser other directions due to trees. Temp/humidity uses a Sensirion sensor (SHT-31) with accuracy of plus/minus (.2C) (.36F) in range -22C to 50C, at coldest sensor ability -40C accuracy is still very good plus/minus (.3C). Humidity accuracy is (+/- 2%) 0-100%.
Valentine Nebraska
Valentine incorporated as a village in 1884, is named for Edward K. Valentine who as a congressman from Nebraska was the chairman of the House Committee on Agriculture during his six years in office. He was instrumental in getting local settlers' grievances redressed by the federal government.
Valentine was nearly destroyed two years in a row: a large storm with extremely high winds caused extensive damage to trees and buildings in July 2005, and in July 2006 the "Big Rock Fire" engulfed over 3,000 acres of land. Valentine participates in an annual re-mailing program where thousands of pieces of mail flow into the local United States Post Office so that they can be re-mailed with a special Valentine's Day postmark and verse. In 2007, National Geographic Adventure magazine included Valentine in its list of the best ten wilderness towns and citiesWith a humid continental climate, Valentine experiences extremes of heat and cold annually. Winters can be extreme with multiple blizzards and cold blast reaching -38f. The monthly daily average temperature Period of Record : 07/01/1889 to 06/10/2016 from 20.9 F in January to 74.4 F in July, while there are 6.7 days of 100 F + highs, 39.8 days of 90 F + highs, 46.3 days where the temperature does not rise above freezing, and 23.3 days of sub -0 F (-18C) lows.
Precipitation historically annual average is around 20 inches but (Recently closer to 30"). The snowfall average for area is debatable where airport tends to record less measured snow being open and wind blown area. The 5 recent season snowfall average in town westside is around 45", 35" 2019-2020 on NE side of town since relocation and currently sitting at 35" early March 2021 with the potential of more this season still. 5 of last 7 years have been unusually wet causing historically never before seen high ground water issues covering highways for extended periods. The average window for measurable snow ( 0.1 in ) October 28 thru April 10; falls in May or September are rare, though one-day totals of 6 in or more have occurred in both months. The area is very sunny, averaging 2,937 hours of bright sunshine annually. Extreme temperatures range from -39 F (-39C) on December 22, 1989 to 114 F (45.5C) on July 2, 1990, with temperature extremes recently -33F (-36C) airport February 15, 2021, -31F (-35C) airport December 19, 2016 and -32F at this station Feb, 15, 2021 on east side of Valentine.
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